SAVINGS CALCULATOR
Energy, water and payback for your home
Every figure below comes from the inputs on the left and the assumptions listed at the bottom of the page. Results are estimates, not guarantees.
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Estimated cost is {{ overBy }} above your budget. Consider a smaller solar size or phasing systems.
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Your use {{ r.units }} kWh
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Without systems: {{ without15 }}With systems (incl. cost & upkeep): {{ with15 }}
15-year cumulative spend on electricity and bought water, with {{ esc }}% annual tariff increase and {{ deg }}% yearly panel degradation. {{ crossNote }}
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Assumptions we use
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Assumptions are maintained by our team (admin → Settings → Pricing assumptions) and will be updated as tariffs and prices change.
What can change your results
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